package com.dokimall.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

/**
 * @ClassName: ListValueConstraintValidator
 * @Description:
 * @Author
 * @Date 2021/10/3
 * @Version 1.0
 */

public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {

    private Set<Integer> set = new HashSet<>();

    // 初始化方法
    @Override
    public void initialize(ListValue constraintAnnotation) {

        int[] vals = constraintAnnotation.vals();
        for(int val:vals){
            set.add(val);
        }

    }


    // 是否判断成功
    // value是要判断的值
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext context) {
        return set.contains(value);
    }
}
